TTransformObject.h

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#pragma once
#include "Math/TMatrix44.h"
#include "Math/TQuaternion.h"
#include "Math/TVector3.h"
 
TOSHI_NAMESPACE_START
 
class TTransformObject
{
public:
    enum class Mode
    {
        Quat = 0,
        Euler,
        Matrix
    };
 
public:
    TTransformObject();
    ~TTransformObject();
 
    void Push();
    void Pop();
 
    TVector3& GetTranslation();
    void      GetLocalMatrixImp( TMatrix44& a_rOutMatrix );
 
    void SetEuler( const TVector3& a_rEuler );
    void SetEulerOrder( TUINT8 a_uiX, TUINT8 a_uiy, TUINT8 a_uiz );
    void SetTranslate( const TVector3& a_rRranslation );
    void SetQuat( const TQuaternion& a_rQuaternion );
    void SetMatrix( const TMatrix44& a_rMatrix );
 
    void ResetChangedState()
    {
        m_bChanged = TFALSE;
    }
 
    TBOOL HasChanged() const
    {
        return m_bChanged;
    }
 
    Mode GetMode() const
    {
        return m_eMode;
    }
 
    const TVector3& GetScale() const
    {
        return m_Scale;
    }
 
private:
    void RotateX( TFLOAT a_fAngle )
    {
        TASSERT( Mode::Euler == GetMode() );
        m_Matrix.RotateX( a_fAngle );
    }
 
    void RotateY( TFLOAT a_fAngle )
    {
        TASSERT( Mode::Euler == GetMode() );
        m_Matrix.RotateY( a_fAngle );
    }
 
    void RotateZ( TFLOAT a_fAngle )
    {
        TASSERT( Mode::Euler == GetMode() );
        m_Matrix.RotateZ( a_fAngle );
    }
 
private:
    union
    {
        TMatrix44   m_Matrix;
        TQuaternion m_Quat;
        TVector3    m_Euler;
    };
 
    Mode     m_eMode;
    TVector3 m_Translation;
    TVector3 m_Scale;
    TUINT8   m_EulerOrder[ 3 ];
    TBOOL    m_bChanged;
};
 
TOSHI_NAMESPACE_END